Home / 692,117.40-1,038,467.70-376,800.60

Finding the Fourth Proportional to 692,117.40, 1,038,467.70 and 376,800.60

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Solution

The fourth proportional to 692,117.40, 1,038,467.70 and 376,800.60 is: 565,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,117.40 : 1,038,467.70 = 376,800.60 : x
  2. Step 2: Convert to fraction form
    692,117.40/1,038,467.70 = 376,800.60/x
  3. Step 3: Cross multiply
    692,117.40x = 1,038,467.70 × 376,800.60
  4. Step 4: Simplify right side
    692,117.40x = 391,295,252,440.62
  5. Step 5: Solve for x
    x = 391,295,252,440.62/692,117.40
  6. Step 6: Final answer
    x = 565,359.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.